Patents by Inventor Thomas Seelich
Thomas Seelich has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7241603Abstract: A method for producing protein compositions comprising fibrinogen and fibronectin is disclosed, wherein a fibrinogen and fibronectin-containing starting solution is treated with a precipitating composition which comprises two different components that modify the solubility of fibrinogen and/or fibronectin, so that in a single-step precipitation a precipitate is formed which comprises fibrinogen and fibronectin, and the precipitate formed optionally is further treated by methods known per se.Type: GrantFiled: November 19, 2002Date of Patent: July 10, 2007Assignee: Baxter AktiengesellschaftInventors: Thomas Seelich, Ralf Broermann
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Publication number: 20030224994Abstract: The present invention provides storage stable liquid sealer protein complexes containing fibrinogen that are convenient to store and transport, that are stable over several months, and that do not have to be discarded if an intended surgical procedure is not carried out. The complexes of the invention comprise fibrinogen, an anti-proteolytic agent, an anti-gelling agent, and a physiologically acceptable carrier.Type: ApplicationFiled: April 4, 2003Publication date: December 4, 2003Inventors: Colin John Newton, Thomas Seelich
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Patent number: 6649162Abstract: The invention relates to a hemostatic sponge based on collagen and an activator or proactivator of blood coagulation homogeneously distributed therein, which is dried and contains a water content of at least 2%, preferably in the range of 2 to 25%, more preferred 10 to 20%, and a method for producing this sponge.Type: GrantFiled: March 29, 2000Date of Patent: November 18, 2003Assignee: Baxter AktiengesellschaftInventors: Wolfgang Biering, Hamza Mansour, Guenther Schlag, Thomas Seelich, Edgar Scheel, Georg Habison
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Patent number: 6579537Abstract: A method of producing a pharmaceutical preparation comprising fibronectin and fibrinogen is disclosed. The method involves admixing into a starting solution of fibrinogen and fibronectin, in a single step, a precipitating composition comprising a polyalkylene glycol and at least one of glycine and &bgr;-alanine which forms a precipitate. Next, the precipitate is collected and a pharmaceutical preparation is prepared from the precipitate. The pharmaceutical preparation has a fibronectin:fibrinogen ratio from about 0.02 to about 0.2.Type: GrantFiled: February 10, 2000Date of Patent: June 17, 2003Assignee: Baxter AktiengesellschaftInventors: Thomas Seelich, Ralf Broermann
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Publication number: 20030077270Abstract: A method for producing protein compositions comprising fibrinogen and fibronectin is disclosed, wherein a fibrinogen and fibronectin-containing starting solution is treated with a precipitating composition which comprises two different components that modify the solubility of fibrinogen and/or fibronectin, so that in a single-step precipitation a precipitate is formed which comprises fibrinogen and fibronectin, and the precipitate formed optionally is further treated by methods known per se.Type: ApplicationFiled: November 19, 2002Publication date: April 24, 2003Inventors: Thomas Seelich, Ralf Broermann
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Patent number: 6548729Abstract: The invention relates to a fibrin sponge comprising a residual moisture content of at least 3%, preferably of 3 to 35%, in particular 10 to 20%, and preferably containing a blood clotting activator or proactivator, a method of preparing this fibrin sponge as well as a kit for wound gluing which comprises the fibrin sponge and a component containing a blood clotting factor. The sponge according to the present invention is suitable for hemostasis, tissue adhesion and aiding wound healing.Type: GrantFiled: May 26, 2000Date of Patent: April 15, 2003Assignees: Baxter Aktiengesellschaft, Baxter International Inc.Inventors: Thomas Seelich, Edgar Scheel, Johann Odar, Yves Alain Delmotte
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Publication number: 20020172718Abstract: A method for producing protein compositions comprising fibrinogen and fibronectin is disclosed, wherein a fibrinogen and fibronectin-containing starting solution is treated with a precipitating composition which comprises two different components that modify the solubility of fibrinogen and/or fibronectin, so that in a single-step precipitation a precipitate is formed which comprises fibrinogen and fibronectin, and the precipitate formed optionally is further treated by methods known per se.Type: ApplicationFiled: February 10, 2000Publication date: November 21, 2002Inventors: Thomas Seelich, Ralf Broermann
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Patent number: 5962405Abstract: The invention relates to storage-stable fibrinogen preparations for preparing concentrated fibrinogen solution for use as a tissue adhesive or for preparing fibrinogen solutions for other uses, for example, for infusion purposes. The fibrinogen preparations are characterized in that(i) the lyophilized preparation comprises a substance improving the solubility of fibrinogen such that the reconstitution time is up to 15 minutes, preferably less than 7 minutes, when dissolving with water at room temperature to a solution with a fibrinogen concentration of at least 70 mg/ml and(ii) the ready-to-use tissue adhesive solution obtained from the preparation forms fibrin clots having physiological fibrin structure after mixing with a thrombin-CaCl.sub.2 solution.Type: GrantFiled: April 23, 1997Date of Patent: October 5, 1999Assignee: Immuno AktiengesellschaftInventor: Thomas Seelich
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Patent number: 5883078Abstract: A stable tissue adhesive is described which comprises fibrinogen and an activator or pro-activator of prothrombin, wherein its content of prothrombin present in blood is less than 5 units/g fibrinogen. This tissue adhesive can be present as a liquid or dry preparation and can optionally be applied to a biologically degradable water-soluble support.Type: GrantFiled: June 10, 1996Date of Patent: March 16, 1999Assignee: Immuno AktiengesellschaftInventors: Thomas Seelich, Peter Turecek
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Patent number: 5733885Abstract: In a method of producing a virus-safe biological preparation by heating while preserving a least 50% of its biologic activity, a biologially compatible tenside is added to the preparation before heating and heating is carried out in the presence of the same, whereupon the tenside, preferably, is eliminated.Type: GrantFiled: July 15, 1996Date of Patent: March 31, 1998Assignee: Immuno AktiengesellschaftInventors: Johann Eibl, Gabriela Hummel, Gerda Redl, Thomas Seelich, Peter Turecek, Gunter Wober
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Patent number: 5639730Abstract: In a method of producing a virus-safe biological preparation by heating while preserving a least 50% of its biologic activity, a biologially compatible tenside is added to the preparation before heating and heating is carried out in the presence of the same, whereupon the tenside, preferably, is eliminated.Type: GrantFiled: December 14, 1993Date of Patent: June 17, 1997Assignee: Immuno AktiengesellschaftInventors: Johann Eibl, Gabriela Hummel, Gerda Redl, Thomas Seelich, Peter Turecek, Gunter Wober
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Patent number: 5610147Abstract: The present invention relates to a virus-safe blood coagulation factor XIII preparation, which is obtained by heating an aqueous solution containing the blood coagulation factor XIII having a specific activity of at least 2 U/mg of total protein, wherein the solution containing less than 10% of known stabilizers selected from the group consisting of sugars, polyols, amino acids, peptides and carboxylic acids, as well as less than 0.5 mol ammonium sulfate per liter, wherein the heating is effected for a period of time sufficient to inactivate infectious agents, preferably for a period of time of from 30 min to 100 h.Type: GrantFiled: July 26, 1994Date of Patent: March 11, 1997Assignee: Immuno AktiengesellschaftInventor: Thomas Seelich
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Patent number: 4909251Abstract: A tissue adhesive in lyophilized form contains at least one biologically compatible tenside beside fibrinogen and factor XIII and optionally further proteins as well as adjuvants or additives. The presence of these biologically compatible tensides was found to shorten the reconstitution times of lyophilized tissue adhesive preparations without negatively affecting the biochemical, mechanical or biological properties of the preparation or of the tibrin formed therefrom.Type: GrantFiled: May 31, 1989Date of Patent: March 20, 1990Assignee: Immuno Aktiengesellschaft fur chemisch-medizinische ProdukteInventor: Thomas Seelich
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Patent number: 4816251Abstract: There is disclosed a method of inactivating reproductive filterable pathogens in tissue adhesives containing fibrinogen and Factor XIII, with their biologic activity being largely preserved. In order to provide a tissue adhesive preparation of human or animal origin, which exhibits a high safety with respect to reproductive filterable pathogens and whose biologic activity is largely preserved, preparations having a minimum content of 100 units of Factor XIII/g of fibrinogen are heated in the dry state in the presence of an oxygen-free inert protective gas or under vacuum.Type: GrantFiled: September 13, 1985Date of Patent: March 28, 1989Assignee: Immuno Aktiengesellschaft fur chemisch-medizinische ProdukteInventor: Thomas Seelich
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Patent number: 4735616Abstract: An arrangement for applying a tissue adhesive based on human or animal proteins, to seamlessly or seam-supportingly connect human or animal tissue or organ parts by uniting with blood-clot-promoting coagulation factors (thrombin). The arrangement includes a plurality of syringe bodies commonly actuatable by pistons and to which a connecting head is attachable. The syringe bodies have equal effective strokes, yet one of them, i.e., that destined to contain the protein solution, has a cross sectional area that is two to nine times larger than the other one(s). There may be applied tissue adhesives having a fibrinogen content of from 2 to 12%.Type: GrantFiled: June 17, 1986Date of Patent: April 5, 1988Assignee: Immuno Aktiengesellschaft fur Chemisch-Medizinische ProdukteInventors: Johann Eibl, Thomas Seelich, Heinz Redl, Georg Habison
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Patent number: 4414976Abstract: A tissue adhesive on the basis of human or animal protein contains factor XIII and at least 33% by weight of fibrinogen, has a ratio of factor XIII to fibrinogen, expressed in units of factor XIII per gram of fibrinogen, of at least 80, contains fibrinogen and albumin in the total protein at a ratio of 33 to 90:5 to 40, contains plasminogen-activator-inhibitor or plasmin inhibitor in an amount of 250 to 25,000 KIU per g of fibrinogen and has been lyophilized.Type: GrantFiled: September 13, 1982Date of Patent: November 15, 1983Assignee: Immuno Aktiengesellschaft fur chemischmedizinische ProdukteInventors: Otto Schwarz, Yendra Linnau, Franz Loblich, Thomas Seelich
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Patent number: 4377572Abstract: This invention relates to a tissue adhesive used in mammals for among other things to connect tissue or organs, in sealing wounds, stopping bleeding and healing wounds. The adhesive comprises specified amounts of factor XIII, fibrinogen, cold-insoluble globulin and albumin and plasminogen-activator inhibitor or plasmin inhibitor.Type: GrantFiled: July 7, 1981Date of Patent: March 22, 1983Assignee: Immuno Aktiengesellschaft fur Chemisch-Medizinische ProdukteInventors: Otto Schwarz, Yendra Linnau, Franz Loblich, Thomas Seelich
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Patent number: 4362567Abstract: A tissue adhesive on the basis of human or animal protein contains factor XIII and at least 33% by weight of fibrinogen, has a ratio of factor XIII to fibrinogen, expressed in units of factor XIII per gram of fibrinogen, of at least 80, contains fibrinogen and albumin in the total protein at a ratio of 33 to 90:5 to 40, contains plasminogen-activator-inhibitor or plasmin inhibitor in an amount of 250 to 25,000 KIU per g of fibrinogen and has been lyophilized.Type: GrantFiled: February 4, 1980Date of Patent: December 7, 1982Assignee: Immuno Aktiengesellschaft fur chemisch-medizinische ProdukteInventors: Otto Schwarz, Yendra Linnau, Franz Loblich, Thomas Seelich
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Patent number: 4298598Abstract: A tissue adhesive on the basis of human or animal proteins has a content of factor XIII and fibrinogen, the ratio of factor XIII to fibrinogen, expressed in units of factor XIII per gram of fibrinogen, amounting to at least 80. Furthermore, it contains a plasminogen-activator-inhibitor or plasmin-inhibitor in an amount of 20 to 2,000 KIU per ml.Type: GrantFiled: February 4, 1980Date of Patent: November 3, 1981Assignee: Immuno Aktiengesellschaft fur chemisch-medizinische ProdukteInventors: Otto Schwarz, Yendra Linnau, Franz Loblich, Thomas Seelich